1 definition by P6

The radioactive decay constant. Symbol for nuclear half life.

Like the rainbow, the lambda is yet another cool symbol stolen by the gay community.
guy: Hey did you see my cool counterstrike sticker I put on my car?!? Its a lambda!
friend: HAHAHAHA!!! YOUR GAY! ROFL!!1
by P6 July 7, 2006
Get the lambda mug.